//Jesus therefore came out, wearing the crown of thorns and the purple garment. Pilate said to them, "Behold, the man!" (John 19:5)
package com.javarush.task.task20.task2013;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.List;
/*
Externalizable Person
*/
public class Solution {
public static class Person implements Externalizable {
private String firstName;
private String lastName;
private int age;
private Person mother;
private Person father;
private List children;
public Person() {}
public Person(String firstName, String lastName, int age) {
this.firstName = firstName;
this.lastName = lastName;
this.age = age;
}
public void setMother(Person mother) {
this.mother = mother;
}
public void setFather(Person father) {
this.father = father;
}
public void setChildren(List children) {
this.children = children;
}
@Override
public void writeExternal(ObjectOutput out) throws IOException {
out.writeObject(mother);
out.writeObject(father);
out.writeChars(firstName);
out.writeChars(lastName);
out.writeInt(age);
out.writeObject(children);
}
@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
firstName = in.readLine();
lastName = in.readLine();
father = (Person)in.readObject();
mother = (Person)in.readObject();
age = in.readInt();
children = (List)in.readObject();
}
}
public static void main(String[] args) {
}
}
/*
Externalizable Person
КлаÑÑ Person должен ÑериализовыватьÑÑ Ñ Ð¿Ð¾Ð¼Ð¾Ñ‰ÑŒÑŽ интерфейÑа Externalizable.
ИÑправь ошибку Ñериализации.
Сигнатуры методов менÑÑ‚ÑŒ нельзÑ.
ТребованиÑ:
1. КлаÑÑ Solution.Person должен поддерживать Ð¸Ð½Ñ‚ÐµÑ€Ñ„ÐµÐ¹Ñ Externalizable.
2. Методы readExternal и writeExternal должны позволÑÑ‚ÑŒ корректно Ñериализовывать и деÑериализовывать объекты типа Person.
3. В клаÑÑе Solution.Person должен быть Ñоздан конÑтруктор без параметров.
4. В клаÑÑе Solution.Person должен быть Ñоздан конÑтруктор Ñ Ñ‚Ñ€ÐµÐ¼Ñ Ð¿Ð°Ñ€Ð°Ð¼ÐµÑ‚Ñ€Ð°Ð¼Ð¸ (String firstName, String lastName, int age).
package com.javarush.task.task20.task2013;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.List;
*
Externalizable Person
*
public class Solution {
public static class Person {
private String firstName;
private String lastName;
private int age;
private Person mother;
private Person father;
private List children;
public Person(String firstName, String lastName, int age) {
this.firstName = firstName;
this.lastName = lastName;
this.age = age;
}
public void setMother(Person mother) {
this.mother = mother;
}
public void setFather(Person father) {
this.father = father;
}
public void setChildren(List children) {
this.children = children;
}
@Override
public void writeExternal(ObjectOutput out) throws IOException {
out.writeObject(mother);
out.writeObject(father);
out.writeChars(firstName);
out.writeChars(lastName);
out.writeInt(age);
out.writeObject(children);
}
@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
firstName = in.readLine();
lastName = in.readLine();
father = (Person)in.readObject();
mother = (Person)in.readObject();
age = in.readInt();
children = (List)in.readObject();
}
}
public static void main(String[] args) {
}
}
*/